Fuel-feeding system for oil-burners.



R. G. QUIN.

FUEL FEEDING SYSTEM POR OIL BURNERS.

APPLICATION FILED MAIL.30,1911.

1,066,948, Y Patented July 8,1913.

RICHARD C. QUIN, OFQTORONTO, ONTARIO, CANADA.

FUEL-FIEDING SYSTEM FOR OLBURNERS.

Specification of Letters Patent.

raten teu July s, 191s.

Application filed March 30, 1911. Serial No. 617,965.

` To all whom/15 may concern.'

`F. In this pipe D Be itknown that I, RICHARD (I. Quin',

of. 81 Brock avenue, .in the city of 'l`cronto,A

in the Province ofontario, Canada, have invented certain new and luseful Improvements in Fuel-Feeding Systems for Oil- Burners, of which the following is a speciti cation. t

The object of my invention is to devise oil-.banning means for furnaces which will operate satisfactorily under all weather condltions and Vin which the consumption ot' fuel is automatically regulated by the steam pressure.

I attain my objects by the constructions hereinafter described and illustrated in the accompanying drawings, in which Figure l is adiagrammatic side elevation of the device as applied to a locon'iotive, Fig. 2 a diagrammatic view illustrating particularly the connections` with the burners, Fig. 3 a detail in section of the automatic governor Valve, and, Fig. 4 a sectional detail of the heating'device located in the oil pipel A represents an air pump which may be the ordinary air pump of a locomotive. From this pump the pipe B leads to an air chamber C. From this ai r chamber the pipe D leads to the oil tank E and also by a suitable branch leads to the burner or burners adjacent the air chamber C is preferably located a pressure reducing valve G. From the oil tank E the oil` piping H leads to the burner or burners F. The burners may be of any ordinary type in which pressure of the air is used to inject a mingled spray of oil and air into the fur- `nance.

As it is desired to reduce the supply of fuel when the steam pressure in the boiler heated by the burners exceeds a predeter- -inined amount, I locato in the air pipe D and the Aoil pipe H the 'governor valves I. To these valves steam from the boiler j is led through the pipe J. (See Fig. 2.) vAny suitable governing valve which would cut down the supply of air and fuel to a predetermined minimum, as soon as the steam pressure rises to a predetern'iined maximum, would answer the purpose of my invention. Of course, suitable separate manual controlling valves S will be provided in the oil and air pipes. A preferred 'form of automatic Valve is shown in Fig. 3. This is of the globe valve type, but: the valve disk R has one or more small holes n formed therein so 'L the that even when the valve disk is on its seat a small flow of oil or air is permitted as it. is not desirable to completely extinguish the llame at the burners when steam pressure is toohigh, but merely to reduce the heat. .f\ piston T is secured lo the valve .stein and moves in the cylinder ll provided with ports 'b and c leading respectively lo its opposite ends. 'lhese ports are controlled by the pister. valve V movable in the cylinder lV. The steam pipe .l communicates with opposite ends ot' the cylinder W through theA ports (l and e. A leakage groove f in the piston, when the piston valve V is Vin the position shown, allords comunmicalion hetween the ports (l and l and steam pressure Iholds the piston .l raised and the valve It raised. The other side of the piston is at the same time open to the atmosphere through the exhaust groove g and the exhaust port e. The piston V is held in normal position by the pressure of the coil spring it, which is adjusted in tension by the screw v. As the steam pressure on the right hand end of the piston V is balanced only by the spring, if the pressure rises high enough to overcome the tension of the spring, the,

piston V will move to the left and thus bringt; the port c in (xnnmunication with live steam assing through the port e and the port l `in communicationJwith the exhaust Ic through the groove g. This causes the piston I to move down and close the valve. As soon as steam pressure goes down the parts resume their normal. positions.

As in cold weather difliculty is experienced due to thickening of the crude oil usually employed, I provide means for heating the oil. For this purpose an exhaust steam pipe K is led Afrom the air pump, and in this pipe is located a box L throu rh which the exhapst steam passes and whici is provided with a chamber into and from which the oil pipe II is led. The oil is thus given a heating close to the burners. From the box exhaust steam pipe passes to a coi] M located within the oil tank. The drip pipe Z from the coil is preferably led into the Water tank N. \Vhen heating oi the oil .tank is not necessary, the exhaust steam may be diverted through the medium of the three Way valve O into the coil P located in the water tank, thus devoting all thel exhaust steam to the heating of the feed water, or

as much of it as may he desired. Live steam may be adnnttcd when desired into thc pipe ley means of the valve controlled pipe Q, leading from the boiler to the pipe K so as to increase the heating eect 1n very cold. Weather. l f

l't is thought that frein the above descrip tion it Will .be clearly seen that have clevised a construction which Will satisfactprilyf; accomplish the objects of my invention as set out in the preamble to this speeiiieation.

What l claim as my invention ist#- 1. .ln oil burning apparatus the combination of an. air pump; an air reservoir eennected with the pump; an. oil tank; an oil burner; a pipe leading from the oil tank to the burner; an :iii: pipe leading from the air -reservoir te the oil tank and provided With a brancl leading to the burner; an ezdiaust steam pipe from the air pump leadii'fg` through the oil tanz; and means adjacent the burner for utilizing the heat of the exhaust steam passing Athrough the exhaust pipe to heat the Oil in the oil pipe.

2. ln qil burning apparatus `the coinbination of v:in air pump; an air reservoir Connected with the pump; an oil tank.; an oil burner; a pipe leading from the eil tank 'to the burner; an air pipe leading from' the air reservoir te the oil tank and provided with menne@ a branch leading 't0 the burner; an exhaust steam /pipe from the air pump leading through the oil tank; a. water tank; a branch ofthe exhaust steam pipe leading into said w/ater tank; andA a valve controlling the llew of exhaust steam to the oil tank 01 Water tankn 3. ln oil burning apparatus' the combinatien of an air pump; an air reservoir con nect'ed with the pump; an oil tank; an oil burner; a pipe leading from the oil tanlr to the burner; an air pipe leading "from the air reservoir to the oil tank and provided with a branch leading to the burner; an exhaust steam pipe yironff'the air pump leading through theoil tank; a Water tank; a binne-li oi' the exhaust steam pipe leading into said water tank; a valve controlling the iiefw of exhaust steam t0 the oil tank or Water tank; and a Valve-controlled live steam pipe eonneeted with the exhaust steam pipe.

Dated at Toronto this 27th day of March, '1911.

'Sipne'd in the presence of@ CAMPBELL, I wl/ lli'CMiLLAN., 

